The Garmin GPSMAP 66st is a multifunctional handheld GPS device. The 'st' version comes with European topographic mapping. Whether your passion is walking, cycling, climbing, geocaching, kayaking, or even working in outdoor environments - this robust device has got you covered. Know how high you are and be prepared for sudden weather changes. The GPSMAP 66st comes with an altimeter, barometer, and compass sensors.